I'm not famililar with 4 blades but they have a purpose no doubt but can't add anything on them. The Mirage and Stilletto are close in design, dia is a bit different but that has minimal effect compared to pitch. I will say as with 4 blades they are hard to swing, very aggressive, like to run quite high in the water - be careful about pitch, they will knock 2-300 RPM of current WOT kinda like a 4 blade. The guy from New Port Richey said he tried a Mirage on his 23 and it didn't work well at all but thats all I know as he wanted to try mine.
I want to try mine on DonV's 23 sometime
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Any way you measure it - dumbass is expensive
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